<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

</body>
<script>
    //创建一个array对象
    function Person(name, age) {
        this.name = name;
        this.age = age;
        this.getName = function () {
            console.log('helllo ' + this.name);
        }
    }

    //    Person.prototype.getAge = function () {
    //        console.log('today is ' + this.age + ' year old');
    //    };

    Object.prototype.getAge = function () {
        console.log('this prototype is object\'s today is ' + this.age + ' year old');
    };

    var man = new Person('lilisi', 12);
    man.getName();
    man.getAge();
    console.log(man);

    var woman = new Person('alisi', 22);
    woman.getName();
    woman.getAge();
    console.log(woman.__proto__);

</script>
</html>